Backpack



FIG. 1 is a perspective view of a backpack showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof, the right side being amirror image;

FIG. 5 is a rear view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view of an alternate embodiment of the designshown in FIG. 1, the rear and bottom plan views being identical to FIGS.5 and 6 respectively; and,

FIG. 8 is a front elevational view of FIG. 7.

The broken lines shown throughout the views are understood to representconventional stitching.

The ornamental design for a backpack, as shown and described.